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BMC Musculoskeletal Disorders
Published in: BMC Musculoskeletal Disorders 1/2017

Open Access 01-12-2017 | Research article

Development and validation of a new tool to measure the facilitators, barriers and preferences to exercise in people with osteoporosis

Authors: Isabel B. Rodrigues, Jonathan D. Adachi, Karen A. Beattie, Joy C. MacDermid

Published in: BMC Musculoskeletal Disorders | Issue 1/2017

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Abstract

Background

Despite the widely known benefits of exercise and physical activity, adherence rates to these activities are poor. Understanding exercise facilitators, barriers, and preferences may provide an opportunity to personalize exercise prescription and improve adherence. The purpose of this study was to develop the Personalized Exercise Questionnaire (PEQ) to identify these facilitators, barriers, and preferences to exercise in people with osteoporosis.

Methods

This study comprises two phases, instrument design and judgmental evidence. A panel of 42 experts was used to validate the instrument through quantitative (content validity) and qualitative (cognitive interviewing) methods. Content Validity Index (CVI) is the most commonly used method to calculate content validity quantitatively. There are two kinds of CVI: Item-CVI (I-CVI) and Scale-level CVI (S-CVI).

Results

Preliminary versions of this tool showed high content validity of individual items (I-CVI range: 0.50 to 1.00) and moderate to high overall content validity of the PEQ (S-CVI/UA = 0.63; S-CVI/Ave = 0.91). Through qualitative methods, items were improved until saturation was achieved. The tool consists of 6 domains and 38 questions. The 6 domains are: 1) support network; 2) access; 3) goals; 4) preferences; 5) feedback and tracking; and 6) barriers. There are 35 categorical questions and 3 open-ended items.

Conclusions

Using an iterative approach, the development and evaluation of the PEQ demonstrated high item-content validity for assessing the facilitators, barriers, and preferences to exercise in people with osteoporosis. Upon further validation it is expected that this measure might be used to develop more client-centered exercise programs, and potentially improve adherence.
Appendix
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Metadata
Title
Development and validation of a new tool to measure the facilitators, barriers and preferences to exercise in people with osteoporosis
Authors
Isabel B. Rodrigues
Jonathan D. Adachi
Karen A. Beattie
Joy C. MacDermid
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Musculoskeletal Disorders / Issue 1/2017
Electronic ISSN: 1471-2474
DOI
https://doi.org/10.1186/s12891-017-1914-5

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